13'4" will definitely mean you have to be concerned with overhead clearances for bridges and underpasses in a fair few areas. If your location of 02666 means you live within the zip code for Truro, MA, then you will have to exercise some vigilance as New England in general has a comparatively high concentration of low clearances. They are marked with signs.
There are GPSs and maps that help, but they're only as good as the thoroughness of the data they rely on, and that data is not absolutely perfect. Products aimed at truckers are a good starting point.